pgrx_pg_sys

Function do_pg_start_backup

Source 
pub unsafe fn do_pg_start_backup(
    arg_backupidstr: *const c_char,
    arg_fast: bool,
    arg_starttli_p: *mut TimeLineID,
    arg_labelfile: StringInfo,
    arg_tablespaces: *mut *mut List,
    arg_tblspcmapfile: StringInfo,
) -> XLogRecPtr